Cheers, but I just refreshed the PC and then it installed fine. At least it's sorted. Thanks for your help.

Got bored with all the faffing about, so refreshed Win 8.1 through the recovery options and then Windows 10 installed with no problem at all.

Just reinstalling everything now... :really:

Did you have to install all the updates again when you reinstalled before you could install Win10?

My setuperr file is currently blank.

I can't install from the ISO neither. I can get to 33% though before it fails though!

Tried from both a DVD and a memory stick and no joy.

It's getting a bit annoying now as I have spent the...

I am getting exactly the same problem at exactly the same point. Trying to upgrade from Win 8.1.

I've ran the upgrade, although doesn't download in full, so then used the ISO on both DVD and...